Congenital anomalies of the abdominal organs are now treated, not merely from an exclusively anatomic standpoint as curiosities, but have been given especial attention since the development of the embryology and teratology, and particularly since the advance in abdominal surgery. Displacements and malformations of the intestinal tract, in the first place, may have great diagnostic interest and may present problems complicating operative technic. Cases observed clinically or anatomically with exactitude therefore possess a practical interest beside a theoretical value, and the surgeon must ever be prepared to meet such anomalies and deal with those variations of normal abdominal topography depending on them.

As a contribution to this teratologic topic I report the observation of the following case, in which congenital anomalies were detected at the anatomic section of the pediatric course at the Rush Medical College.

Boy, 1 year old, died from "decomposition" and pneumonia, Oct. 14, 1915, in the